{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "123497",
    "entityType": "User",
    "nonce": "0x2c56edacaa4c7a5de314f301d795cc8070a922aa119a1e00466b578cf795da63",
    "signature": "0xd20868fae5263015ad842304bc6fa228a7556d1c79b80ea520e9669a12d1f6be31f89116f20d9285c1c9478210727a6e6ee9c2491e7fd54fd6c4636b4aff47e61c",
    "signer": "0x95B378bAaBcca47f15C460388CAEadc2772f66eb",
    "userId": "140"
  }
}